42 providing online non-downloadable software for enabling enterprise customers to integrate software services into 3rd-party decentralized finance cryptocurrency exchanges; providing online non-downloadable cryptocurrency wallet software; providing online non-downloadable software for use in staking cryptocurrencies; providing online non-downloadable software, namely, yield-restaking aggregator software for cryptocurrencies; Application programming interface service provider featuring software for cryptocurrency wallet services; Application programming interface service provider featuring software for cryptocurrency staking services; providing online non-downloadable software for blockchain services, namely, optimization and automation of decentralized finance (DeFi) protocols; Application programming interface service provider featuring software for optimization and automation of decentralized finance (DeFi) protocols